Dumirieh, Sumaya, Tasneem Drie, Ghina Haidar, Maysoun Kudsi, and Ameen Sulaiman. “Leukopenia That Successfully Treated by Ustekinumab in Patient With Psoriatic Arthritis”. International Journal of Medical Science and Clinical Invention 11, no. 02 (February 27, 2024): 7045–7050. Accessed December 4, 2024. http://valleyinternational.net/index.php/ijmsci/article/view/4703.